21 MONTAUK AVENUE
21 MONTAUK AVENUE is a Class E1 (warehouse) building in Brooklyn (BBL 3039760027) built in 1930, with 1 residential unit across 3 floors.
The building is in NYC community district 305, council district 37, zoning district R5B, on a 7,500-square-foot lot with a building footprint of 19,500 square feet.
The current registered owner of record per NYC PLUTO is CYH MONTAUK AVE LLC.
The most recent ACRIS deed transfer for this BBL was recorded on April 18, 2024 when 3144 ATLANTIC AVENUE REALTY CORP. conveyed the property to CYH MONTAUK AVE LLC for $3.16M. The transaction was financed with a $2.90M mortgage from Broad X Funding Llc.
The building is registered with NYC HPD's landlord-registration system and has no open HPD housing-maintenance code violations on record as of May 18, 2026.
Data sourced daily from NYC PLUTO (Department of City Planning), NYC ACRIS (Department of Finance), and NYC HPD housing-maintenance code violations.
Owner of record
HPD registered contacts
- Head OfficerIsrael Hirsch
- Corporate OwnerCYH Montauk Ave LLC
- Managing AgentAPBS Management
Most recent deed
Recent ACRIS documents (last 5)
Building stats
- Zoning:
- R5B
- Lot size:
- 7,500 sqft
- Building area:
- 19,500 sqft
- Floors:
- 3
- Assessed value:
- $839K
- Community district:
- 305
- Council district:
- 37
HPD violations
Recent HPD violation details
- Class AInspected Jun 10, 2025(A) § HMC:FILE ANNUAL BEDBUG REPORT IN ACCORDANCE WITH HPD RULE AS DESCRIBED ON THE BACK OF THIS NOTICE OF VIOLATION OR AS DESCRIBED ON HPD…
Recent ACRIS activity
Frequently asked questions about 21 MONTAUK AVENUE
Who owns 21 MONTAUK AVENUE?
The current registered owner of record for 21 MONTAUK AVENUE per NYC PLUTO is CYH MONTAUK AVE LLC. The most recent ACRIS deed transfer for this BBL was recorded on April 18, 2024 when the property was conveyed to CYH MONTAUK AVE LLC. PLUTO ownership is refreshed monthly by NYC Department of Finance; the registered owner may not reflect transactions recorded within the last 30 days.
When was 21 MONTAUK AVENUE last sold?
The most recent ACRIS deed transfer for 21 MONTAUK AVENUE was recorded on April 18, 2024, when 3144 ATLANTIC AVENUE REALTY CORP. conveyed the property to CYH MONTAUK AVE LLC for $3.16M. The transaction was financed with a $2.90M mortgage from Broad X Funding Llc.
How many HPD violations does 21 MONTAUK AVENUE have?
No open HPD housing-maintenance code violations are on record for 21 MONTAUK AVENUE as of May 18, 2026. The building is registered with NYC HPD's landlord-registration system. HPD violation data is pulled daily from the NYC Open Data violations feed.
What is the assessed value of 21 MONTAUK AVENUE?
NYC Department of Finance assesses 21 MONTAUK AVENUE at $839K for the current tax year. NYC assesses property at a fraction of estimated market value (the assessment ratio varies by tax class — 6% for tax class 1 one-to-three-family dwellings, approximately 45% for tax class 2 rental apartment buildings), so the market value implied by this assessment is meaningfully higher. Assessment data is published by NYC Department of Finance.
What building class is 21 MONTAUK AVENUE and what does that mean?
21 MONTAUK AVENUE is NYC building class E1 — Warehouse. Warehouse. Building class is assigned by NYC Department of Finance and recorded in PLUTO; it determines the property's tax class and the regulatory regime that applies.